Mr. L's Probability 'Box' Quiz: (Answer revealed, DU gets a 100% on the quiz)

[mr_lebowski]

4. As pointed out I fucked up the question and left a part out :)

SO THIS IS WRONG given the question:

EDIT HOWEVER, Drawer 4 is still the correct answer, explained in my reply below ...

The answer to question is: You choose drawer 4.

Here's why, in the simplest possible terms.

The configuration in the drawers will always be:
One box: (SS)
Another box: (SG)
Another box: (GG)

You can rearrange them however you want, but you WILL have these 3 combinations of coins in the three boxes.

...